/* ============================================================
   Care Assistant Pro – Marketing Site Custom Styles
   Tailwind CDN handles utilities; this file adds brand-specific
   component styles and polish.
   ============================================================ */

/* --- Brand CSS Variables ---------------------------------- */
:root {
  --color-primary:       #1e40af; /* blue-800  */
  --color-primary-dark:  #1e3a8a; /* blue-900  */
  --color-primary-light: #3b82f6; /* blue-500  */
  --color-accent:        #16a34a; /* green-600 */
  --color-accent-dark:   #15803d; /* green-700 */
  --color-gray-50:       #f9fafb;
  --color-gray-100:      #f3f4f6;
  --color-gray-600:      #4b5563;
  --color-gray-800:      #1f2937;
}

/* --- Base ------------------------------------------------- */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--color-gray-800);
}

/* --- Navigation ------------------------------------------- */
.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-logo:hover {
  color: var(--color-primary-dark);
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-gray-600);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary-light);
}

/* Mobile menu */
#mobile-menu {
  display: none;
}

#mobile-menu.open {
  display: block;
}

/* --- Hero Section ----------------------------------------- */
.hero-gradient {
  background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 45%, #0d9488 100%);
}

/* --- Buttons ---------------------------------------------- */
.btn-primary {
  display: inline-block;
  background-color: var(--color-accent);
  color: #ffffff;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.75rem 2rem;
  border-radius: 0.375rem;
  text-decoration: none;
  transition: background-color 0.15s ease, transform 0.1s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-block;
  background-color: transparent;
  color: #ffffff;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.75rem 2rem;
  border-radius: 0.375rem;
  text-decoration: none;
  border: 2px solid rgba(255, 255, 255, 0.7);
  transition: background-color 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
}

.btn-outline {
  display: inline-block;
  background-color: transparent;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.75rem 2rem;
  border-radius: 0.375rem;
  text-decoration: none;
  border: 2px solid var(--color-primary);
  transition: background-color 0.15s ease, color 0.15s ease;
  cursor: pointer;
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* --- Feature Cards ---------------------------------------- */
.card {
  background: #ffffff;
  border-radius: 0.75rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.06);
  padding: 2rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1), 0 12px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.card-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
}

.card-icon-blue {
  background-color: #dbeafe;
  color: var(--color-primary);
}

.card-icon-green {
  background-color: #dcfce7;
  color: var(--color-accent);
}

.card-icon-teal {
  background-color: #ccfbf1;
  color: #0d9488;
}

/* --- Section Styles --------------------------------------- */
.section-label {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-gray-800);
  line-height: 1.25;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.25rem;
  }
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-gray-600);
  line-height: 1.6;
  max-width: 40rem;
}

/* --- CTA Banner ------------------------------------------- */
.cta-banner {
  background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
}

/* --- Page Hero (inner pages) ------------------------------ */
.page-hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
  padding: 4rem 0 3rem;
}

/* --- Forms ------------------------------------------------ */
.form-label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-gray-800);
  margin-bottom: 0.375rem;
}

.form-input {
  display: block;
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 1rem;
  border: 1px solid #d1d5db;
  border-radius: 0.375rem;
  background-color: #ffffff;
  color: var(--color-gray-800);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  box-sizing: border-box;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-input::placeholder {
  color: #9ca3af;
}

textarea.form-input {
  resize: vertical;
  min-height: 8rem;
}

/* --- Compliance / Trust Badge ----------------------------- */
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: var(--color-accent-dark);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
}

/* --- Divider ---------------------------------------------- */
.divider {
  border: none;
  border-top: 1px solid #e5e7eb;
  margin: 0;
}

/* --- Footer ----------------------------------------------- */
.footer-link {
  color: #9ca3af;
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.15s ease;
}

.footer-link:hover {
  color: #d1d5db;
}